Flex Shaft Tool Sets include combinations of motors, speed controls, and handpieces the three key components of a complete flexible shaft machine. Unlike our Pre-Packed Kits they do NOT include rotary accessory assortments, but do include a tube of grease. Components: 1. Series SR Motor: best motor for general use. The 1/6 HP, ball bearing, hang-up styleM. SR runs in forward and reverse at speeds up to 18,000 RPM. It comes with a 39? long key tip inner shaft and outer sheath for connecting to any of Foredom key tip compatible handpieces. 2. C. SCT Speed Control: durable electronics and smooth control in a heavy cast iron housing. The added weight eliminates any unexpected movement of the control along the floor and the bottom surface of the speed control is covered with non-skid material. CSA listed. 3. Flexible shaft grease 4. Foredom most popular interchangeable handpieces that fit key tip shaftsonly. H. 30 Handpiece: chuck-style handpiece features a 3-jaw, geared chuck with a 0-5/32? capacity. Accessory changes are easy with this handpiece using the supplied HPCK-0 Chuck Key.